//
// Button styles
// --------------------------------------------------


// Base styles
// --------------------------------------------------

// Core
.btn
  display: inline-block
  +ie7-inline-block
  padding: 4px 14px
  margin-bottom: 0  // For input.btn
  font-size: 13px
  line-height: 20px
  *line-height: 20px
  text-align: center
  vertical-align: middle
  cursor: pointer
  +button-background($btnBackground, $btnBackgroundHighlight, $grayDark, 0 1px 1px rgba(255,255,255,.75))
  border: 1px solid $btnBorder
  *border: 0  // Remove the border to prevent IE7's black border on input:focus
  border-bottom-color: darken($btnBorder, 10%)
  +border-radius(4px)
  +ie7-restore-left-whitespace  // Give IE7 some love
  $shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 1px 2px rgba(0,0,0,.05)
  +box-shadow($shadow)

  // Hover state
  &:hover
    color: $grayDark
    text-decoration: none
    background-color: darken($white, 10%)
    *background-color: darken($white, 15%)  /* Buttons in IE7 don't get borders, so darken on hover */
    background-position: 0 -15px
    // transition is only when going to hover, otherwise the background
    // behind the gradient (there for IE<=9 fallback) gets mismatched
    +transition(background-position .1s linear)

  // Focus state for keyboard and accessibility
  &:focus
    +tab-focus

  // Active state
  &.active,
  &:active
    background-color: darken($white, 10%)
    background-color: darken($white, 15%) #{"\9"}
    background-image: none
    outline: 0
    $shadow: inset 0 2px 4px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.05)
    +box-shadow($shadow)
    
  // Disabled state
  &.disabled,
  &[disabled]
    cursor: default
    background-color: darken($white, 10%)
    background-image: none
    +opacity(65)
    +box-shadow(none)

// Button sizes
// --------------------------------------------------

// Large
.btn-large
  padding: 9px 14px
  font-size: $baseFontSize + 2px
  line-height: normal
  +border-radius(5px)
  [class^="icon-"]
    margin-top: 2px
    
// Small
.btn-small
  padding: 3px 9px
  font-size: $baseFontSize - 2px
  line-height: $baseLineHeight - 2px
  [class^="icon-"]
    margin-top: 0
    
// Mini
.btn-mini
  padding: 2px 6px
  font-size: $baseFontSize - 2px
  line-height: $baseLineHeight - 3px


// Block button
// -------------------------

.btn-block
  display: block
  width: 100%
  padding-left: 0
  padding-right: 0
  +box-sizing(border-box)

// Vertically space out multiple block buttons
.btn-block + .btn-block
  margin-top: 5px

// Specificity overrides
input[type="submit"],
input[type="reset"],
input[type="button"]
  &.btn-block
    width: 100%
    
      
      
// Alternate buttons
// --------------------------------------------------

// Provide *some* extra contrast for those who can get it
.btn-primary.active,
.btn-warning.active,
.btn-danger.active,
.btn-success.active,
.btn-info.active,
.btn-inverse.active
  color: rgba(255,255,255,.75)
    
// Set the backgrounds
// -------------------------
.btn
  // reset here as of 2.0.3 due to Recess property order
  border-color: #c5c5c5
  border-color: rgba(0,0,0,.15) rgba(0,0,0,.15) rgba(0,0,0,.25)
.btn-primary
  +button-background($btnPrimaryBackground, $btnPrimaryBackgroundHighlight)
// Warning appears as orange
.btn-warning
  +button-background($btnWarningBackground, $btnWarningBackgroundHighlight)
// Danger and error appear as red
.btn-danger
  +button-background($btnDangerBackground, $btnDangerBackgroundHighlight)
// Success appears as green
.btn-success
  +button-background($btnSuccessBackground, $btnSuccessBackgroundHighlight)
// Info appears as a neutral blue
.btn-info
  +button-background($btnInfoBackground, $btnInfoBackgroundHighlight)
// Inverse appears as dark-gray
.btn-inverse
  +button-background($btnInverseBackground, $btnInverseBackgroundHighlight)
      

// Cross-browser jank
// --------------------------------------------------

button.btn,
input[type="submit"].btn
  // Firefox 3.6 only, I believe
  &::-moz-focus-inner
    padding: 0
    border: 0
    
  // IE7 has some default padding on button controls
  *padding-top: 3px
  *padding-bottom: 3px

  &.btn-large
    *padding-top: 7px
    *padding-bottom: 7px
  &.btn-small
    *padding-top: 3px
    *padding-bottom: 3px
  &.btn-mini
    *padding-top: 1px
    *padding-bottom: 1px


// Link buttons
// --------------------------------------------------

// Make a button look and behave like a link
.btn-link,
.btn-link:active,
.btn-link[disabled]
  background-color: transparent
  background-image: none
  +box-shadow(none)

.btn-link
  border-color: transparent
  cursor: pointer
  color: $linkColor
  +border-radius(0)

.btn-link:hover
  color: $linkColorHover
  text-decoration: underline
  background-color: transparent

.btn-link[disabled]:hover
  color: $grayDark
  text-decoration: none